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aevalsrc amovie anoisesrc anullsrc blank movie sine testPattern

Everyframe · TypeScript SDK reference

source: synthetic sources

Generated inputs that start a new stream without a file: blank canvases, test patterns, tones and noise.

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aevalsrc

FFmpeg
Audio
graph().aevalsrc(): AudioStream

Generate audio from a per-sample expression

amovie

FFmpeg
Audio
graph().amovie(opts: AmovieOpts): AudioStream

Read audio from a media file

Param Type Description
filename required string
seek_point number
streams string
loop number

anoisesrc

FFmpeg
Audio
graph().anoisesrc(opts?: AnoisesrcOpts): AudioStream

Generate a noise signal (white/pink/brown)

Param Type Description
d number
c 'white' | 'pink' | 'brown' | 'blue' | 'violet' | 'velvet'
a number
Range: [0, 1]

anullsrc

FFmpeg
Audio
graph().anullsrc(opts?: AnullsrcOpts): AudioStream

Generate silent audio

Param Type Description
d number

blank

FFmpeg
Video
graph().blank(opts?: BlankOpts): VideoStream

Generate solid-color video canvas

Param Type Description
width number
height number
duration number
color string

movie

FFmpeg
Video
graph().movie(opts: MovieOpts): VideoStream

Read video from a media file

Param Type Description
filename required string
seek_point number
streams string
loop number

sine

FFmpeg
Audio
graph().sine(opts?: SineOpts): AudioStream

Generate sine wave audio

Param Type Description
frequency number
duration number

testPattern

FFmpeg
Video
graph().testPattern(opts?: TestPatternOpts): VideoStream

Generate test pattern video source

Param Type Description
width number
height number
duration number